Abstract

Chaiphongpachara T, Laojun S, Kunphichayadecha C. 2018. Effect of the CDC light trap on control of nocturnal mosquitoes in coastal Samut Songkhram Province, Thailand. Biodiversitas 19: 1750-1754. This study aimed to investigate the effect of CDC light trap on mosquito control and to study the relationship between this effect and weather factors in coastal areas (2 and 4 km from the sea) of Samut Songkhram Province, Thailand. We conducted a field test by trapping for 30 consecutive days from September to October 2017. The trap was hung at a height of 1.5 m and was 50 m away from a house. A total of 2963 adult female mosquitoes of 4 species belonging to 2 genera were trapped, including Anopheles epiroticus Linton & Harbach, Culex quinquefasciatus Say, Cx. sitiens Wiedmann and Cx. gelidus Theobald. The trapping rate of the CDC light trap set up 2 km from the sea was 85.70±73.81 adult mosquitoes per night. Meanwhile, at the location 4 km from the sea, the trap collected 13.07±11.40 adult mosquitoes per night. Comparing the numbers of mosquitoes captured by the CDC light trap between these two sites, there was a significant difference at p < 0.05. This study shows that the CDC light trap can be used for effective control of mosquitoes in coastal areas of Samut Songkhram Province, Thailand, especially Cx. sitiens, a filariasis vector.

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